Finding the Fourth Proportional to 125,216.72, 172,791.24 and 68,624.08
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Solution
The fourth proportional to 125,216.72, 172,791.24 and 68,624.08 is: 94,696.94
Step by Step Solution
- Step 1: Write the proportion equation
125,216.72 : 172,791.24 = 68,624.08 : x - Step 2: Convert to fraction form
125,216.72/172,791.24 = 68,624.08/x - Step 3: Cross multiply
125,216.72x = 172,791.24 × 68,624.08 - Step 4: Simplify right side
125,216.72x = 11,857,639,877.06 - Step 5: Solve for x
x = 11,857,639,877.06/125,216.72 - Step 6: Final answer
x = 94,696.94
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.